Question

Write the complement of each of the following angles:

(i) 20° (ii) 35° (iii) 90° (iv) 77° (v) 30°

Answer 1

(i) Given angle is 20°

Since, the sum of an angle and its complement is 90° . 

its, complement will be (90° - 20 = 70°) 

(ii) Given angle is 35° 

Since, the sum of an angle and its complement is 90° . 

its, complements will be (90° - 35° = 55°) 

(iii) The given angle is 90° 

Since, the sum of an angle and its complement is 90° . 

its, complement will be (90° - 90°  = 0)  

(iv) The given angle is 77° 

Since, the sum of an angle and its complement is 90° . 

its, complement will be (90° - 77° = 13)  

(v) The given angle is 30° . 

Since, the sum of an angle and its complement is 90° . 

its, complement will be (90° - 30° = 60°)